WO2022203528A1 - Adaptateur électronique à retard programmé pour la mise à feu d'une amorce - Google Patents

Adaptateur électronique à retard programmé pour la mise à feu d'une amorce Download PDF

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Publication number
WO2022203528A1
WO2022203528A1 PCT/PE2022/050007 PE2022050007W WO2022203528A1 WO 2022203528 A1 WO2022203528 A1 WO 2022203528A1 PE 2022050007 W PE2022050007 W PE 2022050007W WO 2022203528 A1 WO2022203528 A1 WO 2022203528A1
Authority
WO
WIPO (PCT)
Prior art keywords
primer
delay
capacitor
explosive
activation
Prior art date
Application number
PCT/PE2022/050007
Other languages
English (en)
Spanish (es)
Inventor
Arnaldo Ignacio ARANCIBIA VÁSQUEZ
Original Assignee
Arancibia Vasquez Arnaldo Ignacio
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Arancibia Vasquez Arnaldo Ignacio filed Critical Arancibia Vasquez Arnaldo Ignacio
Publication of WO2022203528A1 publication Critical patent/WO2022203528A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B3/00—Blasting cartridges, i.e. case and explosive
    • F42B3/10—Initiators therefor
    • F42B3/103—Mounting initiator heads in initiators; Sealing-plugs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B3/00—Blasting cartridges, i.e. case and explosive
    • F42B3/10—Initiators therefor
    • F42B3/12—Bridge initiators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B3/00—Blasting cartridges, i.e. case and explosive
    • F42B3/10—Initiators therefor
    • F42B3/16—Pyrotechnic delay initiators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C11/00—Electric fuzes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C11/00—Electric fuzes
    • F42C11/06—Electric fuzes with time delay by electric circuitry
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C19/00—Details of fuzes
    • F42C19/04—Protective caps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C19/00—Details of fuzes
    • F42C19/08—Primers; Detonators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C19/00—Details of fuzes
    • F42C19/08—Primers; Detonators
    • F42C19/12—Primers; Detonators electric
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42D—BLASTING
    • F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
    • F42D1/02—Arranging blasting cartridges to form an assembly
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42D—BLASTING
    • F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
    • F42D1/04—Arrangements for ignition
    • F42D1/045—Arrangements for electric ignition

Definitions

  • the present invention in general, is located in the technical field of explosives used in mining activities, civil works and in quarries, and refers more particularly to an electronic adapter with programmed delay for the initiation of explosive accessories.
  • safety fuses are conventionally known for the initiation of the fire of an explosive. These safety fuses have the inconvenience that they generate high levels of contamination when they are lit and, in addition, they have generated countless accidents in mining activities.
  • the present invention is an electronic device for the initiation of explosive accessories that comprises contents in a casing to a printed circuit board (PCB) in which a capacitor is electrically connected.
  • energy to store energy and an activation resistance which are energized by a power supply through electrical conductors characterized in that it is adaptable and attachable in situ with the explosive accessory and because it also includes in its circuit and connected to the capacitor power to a voltage regulator, a varistor diode, a current rectifier, and an onboard timer that connects with one or more delay resistors and a delay capacitor, plus, an optocoupler associated with the onboard timer and pull-up resistor to actuate an ignition filament to produce the spark in a fulmi nante to carry out the blasting.
  • PCB printed circuit board
  • the casing that is sealed at its ends by respective covers in order to provide protection to the device and are coupled once they are in conjunction with the blasting cap of the explosive accessory.
  • the varistor diode is the first electronic component where the power supply to the circuit circulates, if the voltage exceeds a safe voltage range for the circuit, it acts as a short circuit to protect the other electronic components. Subsequently, the current rectifier modifies the power supply polarity in case they have been connected inversely.
  • the voltage regulator allows adjusting the voltage required for the operation of the electronic components.
  • the integrated timer is the electronic component where the delay time of the circuit is programmed.
  • the delay time for activation of the timer depends on the delay resistors and the delay capacitor that are connected in series and in turn establish a voltage divider that is connected to a pin of the timer, depending on the values of said resistors it lengthens or shortens the charge time of the delay capacitor, which is what generates a delay in the integrated timer, then the integrated timer applies a pulse on another of its pins to the anode of the optocoupler and this allows the passage of current previously stored the power condenser to the tungsten ignition filament which when heated instantaneously generates a spark in a primer to activate the explosion
  • the integrated timer allows a predetermined time to be programmed for the explosion, so that explosives placed in different locations can explode in a specific order and not randomly. immediately all at once, improving the results in the fracture in the rock or soil.
  • FIGURE N° 1 An exploded plan view of the electronic adapter with programmed delay for the activation of explosive accessories according to the preferred embodiment of the invention is shown, showing the elements of the electronic circuit that are found on the upper part of the PCB and , the casing that covers it.
  • FIGURE N° 2 An exploded bottom view of the electronic adapter with programmed delay for the activation of explosive accessories of figure 1 is shown, showing the elements of the electronic circuit that are found in the lower part of the PCB and the casing that covers it .
  • FIGURE N° 3 An exploded plan view of the electronic adapter with programmed delay for the activation of explosive accessories of figure 1 is shown, showing the coupling of the casing that covers the circuit and the rear cover of said casing.
  • FIGURE N° 4 An exploded plan view of the electronic adapter with programmed delay for the activation of explosive accessories of figures 1 and 2 is shown, showing the way of coupling the device in a common primer of the explosive accessory.
  • FIGURE N° 5 An exploded plan view of the electronic adapter with programmed delay for the activation of explosive accessories is shown of figure 4 showing the way of coupling in a common primer of the explosive accessory with the front cover.
  • FIGURE N° 6 An exploded plan view of the electronic adapter with programmed delay for the activation of explosive accessories of figure 5 is shown, showing the way of complete coupling with the explosive accessory.
  • PCB printed circuit board
  • the electronic adapter device with delay for the activation of explosive accessories of the present invention will be put into practice in a preferred embodiment with reference to figures 1-6.
  • the adapter device with programmed delay (100) of this invention comprises an electronic circuit that is made up of a printed circuit board (101), hereinafter PCB, in which a varistor diode (103) is electrically connected.
  • the electronic adapter (100) in order to provide protection to the electronic circuit of the electronic adapter (100), it also has a casing (109) that is sealed at one of its ends by a rear cover (114) and at the other end by a cover. front (115) that is incorporated when the primer (200) is attached.
  • Said casing (109) and covers (114) and (115) are preferably made of plastic material, antistatic, waterproof and high resistance.
  • the power supply of the adapter can be one of the conventional type widely known in the art, so its operation and configuration will not go into detail, however it provides between 16 and 40 V.
  • the varistor diode (103) has the function of protecting and absorbing voltage spikes greater than a predetermined value, in this case 40V, if the input voltage is greater than 40 said varistor diode (103) serves as a short circuit and does not let the voltage pass to the other elements of the circuit.
  • the current rectifier (104) is responsible for transforming the alternating current into direct current.
  • Said current rectifier (104) is preferably a diode bridge.
  • the voltage regulator (110) allows adjusting the voltage required in the integrated timer (111) to activate it.
  • the integrated timer (111) has the delay time of the circuit programmed and, preferably, it is a TS555 integrated circuit, the operation of which is well known by those skilled in the art, so it will not go into detail about its operation.
  • the delay resistors (106) and the delay capacitor (112) are connected in series to one of the pins of the TE555, and depending on the values of said resistors (106) and the capacitor (112), generates a desired delay using a mathematical formula before the TE555 generates a pulse on its trigger pin which is connected to the optocoupler (107).
  • the adapter (100) receives electrical energy through the electrical conductors (102) from the power source, this energy reaches the varistor diode (103) and the rectifier (104) which come to provide a first means of safety, since when feeding the circuit with overvoltages (greater than 40 volts) the system acts as a short circuit and prevents the activation of the ignition filament (108), its activation range being between 16 and 40 volts, a safe voltage for the operator at the time of handling and activation.
  • the energy condenser (105) stores energy allowing, at the moment of blasting, to activate the ignition filament (108) or, in the event that the electrical conductors (102) suffer damage, to give the circuit sufficient time autonomy so that the ignition filament (108) is activated.
  • the optocoupler (107) forms a second security means, therefore, it allows the energy of the energy capacitor (105) to be released towards the ignition filament (108) once the delay programmed in the integrated timer (111) has been completed, making circulating an electrical current through the ignition filament (108), this generates a small spark sufficient to activate a primer (200) of an explosive accessory.
  • the primer (200) is not part of the device but that the installation is done on site and, in figures 4 to 6, the coupling of the adapter with said primer is shown. As can be seen in figures 5 and 6, when the adapter is installed, a front cover (115) is attached that serves to protect the primer (200).

Abstract

La présente invention concerne un dispositif électronique qui est adaptable et accouplable in situ pour la mise à feu d'accessoires explosifs, comprenant, contenus dans un boîtier un PCB, un condensateur d'énergie et une résistance d'activation comprenant en outre, dans son circuit et reliés au condensateur d'énergie, un régulateur de tension, une diode varistor, un redresseur de courant et un temporisateur intégré qui est relié à une ou plusieurs résistances de retard et à un condensateur de retard, en plus d'un opto-accoupleur associé au temporisateur intégré et à la résistance d'activation pour actionner un filament de mise à feu pour produire l'étincelle dans une amorce pour procéder au dynamitage. L'invention présente les avantages de ne pas générér de contamination de l'environnement, elle permet son transport, sa manipulation, son stockage, sa fabrication de manière sûre, car elle ne présente pas sous forme d'un seul paquet intégré avec l'ensemble de l'accessoire explosif et les explosifs peuvent exploser dans un ordre spécifique du fait du retard programmé, ce qui améliore les résultats de fracture de la roche ou du sol.
PCT/PE2022/050007 2021-03-25 2022-03-23 Adaptateur électronique à retard programmé pour la mise à feu d'une amorce WO2022203528A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PE000403-2021/DIN 2021-03-25
PE2021000403 2021-03-25

Publications (1)

Publication Number Publication Date
WO2022203528A1 true WO2022203528A1 (fr) 2022-09-29

Family

ID=83398092

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/PE2022/050007 WO2022203528A1 (fr) 2021-03-25 2022-03-23 Adaptateur électronique à retard programmé pour la mise à feu d'une amorce

Country Status (1)

Country Link
WO (1) WO2022203528A1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1189412A (en) * 1967-02-01 1970-04-29 Prb Nv Initiating device for an explosive charge
US4023493A (en) * 1975-09-24 1977-05-17 The United States Of America As Represented By The Secretary Of The Navy Fireline detonator
BR9202520A (pt) * 1991-07-09 1993-03-16 Ensign Bickford Co Detonador de retardo digital
WO1994015169A1 (fr) * 1992-12-22 1994-07-07 The Ensign-Bickford Company Unite de temporisation numerique
AU5438996A (en) * 1995-04-10 1996-11-07 Detnet South Africa (Pty) Ltd Programmable electronic timer circuit
CN104154829A (zh) * 2014-08-15 2014-11-19 四川久安芯电子科技有限公司 一种延时点火控制装置及电子雷管
ES2636682T3 (es) * 2011-12-19 2017-10-06 Davey Bickford Sistema de ignición de una pluralidad de conjuntos de detonadores electrónicos
CN105242301B (zh) * 2015-08-31 2018-06-19 深圳大成创安达电子科技发展有限公司 一种电子数码雷管遥爆系统及其方法

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1189412A (en) * 1967-02-01 1970-04-29 Prb Nv Initiating device for an explosive charge
US4023493A (en) * 1975-09-24 1977-05-17 The United States Of America As Represented By The Secretary Of The Navy Fireline detonator
BR9202520A (pt) * 1991-07-09 1993-03-16 Ensign Bickford Co Detonador de retardo digital
WO1994015169A1 (fr) * 1992-12-22 1994-07-07 The Ensign-Bickford Company Unite de temporisation numerique
AU5438996A (en) * 1995-04-10 1996-11-07 Detnet South Africa (Pty) Ltd Programmable electronic timer circuit
ES2636682T3 (es) * 2011-12-19 2017-10-06 Davey Bickford Sistema de ignición de una pluralidad de conjuntos de detonadores electrónicos
CN104154829A (zh) * 2014-08-15 2014-11-19 四川久安芯电子科技有限公司 一种延时点火控制装置及电子雷管
CN105242301B (zh) * 2015-08-31 2018-06-19 深圳大成创安达电子科技发展有限公司 一种电子数码雷管遥爆系统及其方法

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